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defense in depth

Offensive / Proactive tactics, will they really work? Blackhat day 1

Blackhat keynote speaker Shawn Henry, the former executive assistant director of the FBI’s Criminal, Cyber, Response and Service Branch, started off the day after opening remarks from Jeff Moss, founder of Blackhat. Moss wondered if now was the time for the cyber-security sector to take a more aggressive/offensive approach. Jeff mentioned working for a former

Guarding against password reset attacks with pen and paper

With the recent announcements of password breaches at LinkedIn, and warnings from Google about state-sponsored attacks on Gmail accounts, it seems like a good idea now to review some password security basics.  In this blog post, we’re going to take a look at a rather low-tech solution to a decidedly high-tech problem:  How to guard

Security professionals DO use anti-virus

And you should also bear in mind that some of the security experts who are denigrating AV en masse right now have their own commercial agendas to push, in favour of other technologies that are not the 100 Per Cent Solution either.

Facebook, Privacy, and Defence in Depth

Symantec’s transient false positive detection of Facebook as a malicious site leads to serious thoughts about Facebook and privacy…

Social engineers don’t care about your OS: and nor should you

Security companies in general and, unfortunately, anti-malware companies in particular, are often accused of ‘hyping’ threats because of a perceived self-interest. However, in the main, legitimate vendors and researchers like those at ESET typically try to resist overhyping or playing up threats where possible, in favor of more balanced discussion that can help customers take

What are Heuristics?

It is generally well-understood that antimalware programs—the software which detects computer viruses, worms, trojan horses and other threats to your system—work by scanning files using signatures they already have. A signature could be as simple as a string[i] (like using the "find" command in your word processor to locate a particular piece of text) or as

Shadows, Skinless Cats And Fired Up Bulls

There have been recent reports that University of Toronto researchers have been observing the workings of a cyber-espionage botnet. This botnet, called the "Shadow Network", appears to be a network that targeted government, business and academic computers at the United Nations and the Embassy of Pakistan in the US, among others including the Office of

Ten Ways to Dodge Cyber-Bullets (Part 8)

[Part 8 of an occasional series, updating a blog series I ran in early 2009 to reflect changes in the threat landscape. This series will also be available shortly as a white paper.] Anti-Virus isn’t Total Security Don’t expect antivirus alone to protect you from everything. Use additional measures such as a personal firewall, antispam and

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